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I recently started my Kali operating system and ran into a problem. Whenever I try to update it using the command apt-get update, I get an error of invalid signature on Kali terminal. An error occurred during the signature verification. The repository is not updated. The previous index files will be used. GPG error: http://archive-10.kali.org/kali kali-rolling…

I hope you have read previous posts where we set up the Docker for the first time use and learned a few basic commands In this post we will setup torrent client on Docker. It will enable us to download torrents from a docker based container. Above all, it is an isolated instance running on…

Automation is the new trend among various industries and how can IT sector stay untouched. But wait, what are we trying to accomplish with automation in IT infra operations – Automating the manual efforts, obviously. Let’s deep dive and understand it correctly. Embed from Getty Images Automating the right piece In my assignment, I observed…

This is another post for beginners and you will learn about docker toolbox first-time use. Also, there are some basic commands mentioned which certainly be used very frequently. Click here to read the previous post. Using Docker quick-start terminal Once you launch the docker terminal, it will spin-on the default machine and boot will boot it…

In this post, you will learn about Docker toolbox for windows and how to decide which binaries can be used in your scenario. Before you begin Although I should have covered a few things first, I hope you have already had a basic idea of Docker. You should be aware of the concept of Docker. If…

Today, I came across a story which I found in paste bin. Someone anonymously shared his/her research about discoverable bitcoin private keys with the public. Full information about discoverable private keys research Hi. Thanks for passing this along so it gets some attention. I was worried if I posted this somewhere it would mostly go…

This is the moment when crypto-currency is booming like anything. There are unfortunate incidents happening. Hackers and scammers seeking an opportunity to get their hands on people’s money. The biggest scam cost millions of dollars worth of cryptocurrency. The exact amount is not confirmed. The estimated losses are between $1 million to $3.5 million. The…

Second testing is successfully completed today. Crypto transactions exchanged across Bitcoin and Litecoin Network. A development team at Lightning Labs recently swapped testnet Bitcoins with testnet Litecoins. All this happened using The Lightning Network. No transaction entry recorded on either of the Blockchain ledgers. This was the second cross Blockchain transaction. First transaction was on-chain…

Microsoft recently mentioned something about Prefix switch for Import-PSSession command. It is very useful when you are working in hybrid Exchange environment and wants to collect informaiton from both On-Prem Exchange and Exchange Online. Let’s say you want some complete list of mailboxes using one script i.e. list of both On-Prem and Cloud mailboxes. In…

What !!! Did I read it correct? Virtue Poker on Peer-to-Peer Ethereum platform? Yea, that’s ABSOLUTELY CORRECT. Lets go through it. There are tons of online gambling or poker websites out there. It’s a multi-billion industry and it is expected to grow to over $50 billion by 2021. But unfortunately this industry is subject to…

If you want to know Bitcoin basics, when it came into existence and how can you get one then this guide is definitely for you. We will give links to more resources for more details. Introduction to Bitcoin Bitcoin was introduced by a person (or a group) called Satoshi Nakamoto in 2008. Yes, just after the global…

There was a requirement in my organization to fetch URL content using PowerShell. We do have Invoke-Webrequest already but it works on PowerShell version 3.0 or later. For earlier versions we can use assemblies to accomplish the same. Below is the classic example for this.

Microsoft started pilot program to hire candidates who are diagnosed with Autism disorder. Those candidates may not clear the first round of interview in any organization but by rejecting them we are missing the actual talent. By taking this initiative, Microsoft is proving the actual meaning of Diversity. They are actually blessed with this unique…

In order to make HTTPS as default, GitHub based project is open to Public for the first time. It has already been tested with some group of volunteers. Its free and easy to use. There are some major players giving some freebies but this is very straight forward among all of them. The issuing service…

Powershell based script which can connect SSH based devices (network, Linux/Unix based devices) and execute any set of commands. It will then take the output and save in multiple txt files. Testing scenario— Backup of 20 Network Device Configuration Took less than 10 Seconds per device Output was saved in multiple text files (each named…